Immunologic Response to Inactivated Vaccine for Novel H1N1 Virus

Inclusion Criteria: * Aged 18-32 years, or 60 years and older * No history of Novel H1N1 virus or vaccine * Female not able to bear children or not pregnant and agrees to practice effective birth control * Female negative pregnancy test * Good Health * Ability to understand and comply with protocol * Provided Informed Consent Exclusion Criteria: * Previous history of vaccination against novel H1N1 or laboratory documented H1N1 infection * Previous history of vaccination with A/New Jersey/76 vaccine (for subjects 60 \& older * History of egg allergy or is allergic to other components of the vaccine * Women who are pregnant or breastfeeding or intends to get pregnant during the study period between enrollment \& 30 days following vaccination * Subject is immunosuppressed as the result of underlying illness or treatment with immunosuppressive or cytotoxic drugs or use of chemotherapy/radiation therapy in the preceding 36 months * Subject has active neoplastic disease (excluding non-melanoma skin cancer or prostate cancer that is stable in the absence of therapy) or a history of any hematological malignancy. "Active" is defined as treatment within the past 5 years. * Long term (greater than 2 weeks) use of oral or parental steroids, or high- dose inhaled steroids (\>800 mcg/day of beclomethasone dipropionate or equivalent) within the preceding 6 months (nasal \& topical steroids allowed) * Received immunoglobulin or other blood product within 3 months prior to enrollment in th…